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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 10


Intelligence 10 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847
SHA3-384 hash: d09dd62a2c7ec1a4f19852349efade2d85323347f397b96cebec60440d9d131171a13a296a7a32dc3d347b318972e36f
SHA1 hash: e0178e8736d028b580c7e69c466f4cce58edb4e2
MD5 hash: e461361cd760d16f66e893c2551de173
humanhash: florida-four-hydrogen-fifteen
File name:b38400804f7b5b92.bin
Download: download sample
Signature Mirai
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File size:210'264 bytes
First seen:2026-10-18 05:25:46 UTC
Last seen:2026-10-18 21:51:06 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:WcdX4XGMrV/0F94uYQWtJXytl7YUGXLKKtxunx6iXKuJXkPGkd:WcyX3Q8QW/XytVYUGunxSukG
TLSH T19724FA87B5B5ABA0CAE74439B59403BC724687AAD3FEB00CCE114DD1BB9D4056A3D2C7
Magika elf
Reporter Tuxxin
Tags:elf mirai

Intelligence

File Origin
# of uploads :
3
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
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Unix.Trojan.Gafgyt-9940653-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Creating a file in the %temp% directory
DNS request
Creating a process from a recently created file
Connection attempt
Sets a written file as executable
Opens a port
Creating a file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
146
Number of processes launched:
17
Processes remaning?
true
Remote TCP ports scanned:
23,2323,5555,8443
Full report:
https://elfdigest.com/brief/b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-10-18T02:18:00Z UTC
Last seen:
2026-10-20T01:18:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ead68bf5-a02d-4fcc-b171-8620b28efbde
Behavior Graph:
Download SVG
%3 guuid=83aa4039-1900-0000-61fe-2780f0080000 pid=2288 /usr/bin/sudo guuid=b02ea43b-1900-0000-61fe-2780f5080000 pid=2293 /tmp/sample.bin guuid=83aa4039-1900-0000-61fe-2780f0080000 pid=2288->guuid=b02ea43b-1900-0000-61fe-2780f5080000 pid=2293 execve
Malware family:
Ngioweb
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6e245ce-7b96-4815-8bfb-4ef3715c4705
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847/
Threat name:
Linux.Trojan.Qwexlafiba
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Status:
Malicious
First seen:
2026-10-18 05:26:25 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wocabacppnnzeejd3r2ltenkkq63en4zvpp4b5p7wgtheka6vbdq._file
Result
Malware family:
xmrig_linux
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Score:
  10/10
Tags:
family:xmrig_linux discovery execution miner persistence privilege_escalation
Link:
https://tria.ge/reports/261018-f4ysmat1hy/
Behaviour
Reads runtime system information
Writes file to tmp directory
Changes its process name
Reads system network configuration
Creates/modifies Cron job
Enumerates active TCP sockets
Enumerates running processes
Modifies init.d
Modifies rc script
Family: xmrig
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:elf_arm_mips_ko_so
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Rule name:ELF_IoT_Persistence_Hunt
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Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:enterpriseapps2
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Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:golang
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Rule name:LIN_Malware_Unknown_ForgeAuto_0daebbb8
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (elf, etat binaire)
Rule name:MIRAI_TELNETCURL_payload
Create hunting rule
Author:AfterPacket
Description:Mirai-lineage ELF payload carrying the leaked-source decoy domain
Reference:https://github.com/Afterpacket/drosera-threat-intel
Rule name:NSVPS_Hydra_SSH_Bruteforce
Create hunting rule
Author:sanad (NSVPS-SOC)
Description:Hydra SSH brute-force campaign credentials pattern from NSVPS honeypot
Rule name:telebot_framework
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Author:vietdx.mb
Rule name:testlumma
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Rule name:unixredflags3
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Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf b38400804f7b5b921123dc74b991aa543db23799abdfc0f5ffb1a672281ea847

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3949839/

Comments